David Nwanna Dumbiri, Luluk Makhmia, Putri Wulan Mandasari, Yoga Dwi Firmansyah, & Firza Agung Prakos. (2026). Contract Law and Default in Indonesian E-Commerce Transactions: Legal Certainty, Consumer Protection, and the Future of Digital Contract Enforcement. Jurnal Sahabat ISNU SU , 3(1), 118–129. https://doi.org/10.70826/jsisnu.v3i1.1244